445117 has 4 divisors (see below), whose sum is σ = 452476. Its totient is φ = 437760.

The previous prime is 445103. The next prime is 445141. The reversal of 445117 is 711544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68121 + 376996 = 261^2 + 614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445117 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3588 + ... + 3709.

It is an arithmetic number, because the mean of its divisors is an integer number (113119).

2⁴⁴⁵¹¹⁷ is an apocalyptic number.

It is an amenable number.

445117 is a deficient number, since it is larger than the sum of its proper divisors (7359).

445117 is an equidigital number, since it uses as much as digits as its factorization.

445117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7358.

The product of its digits is 560, while the sum is 22.

The square root of 445117 is about 667.1708926505. The cubic root of 445117 is about 76.3527576322.

The spelling of 445117 in words is "four hundred forty-five thousand, one hundred seventeen".